Air Quality in Capitol Hill, United States

Windy
14.0°C · 65.1% humidity
14.0°
Feels 14.0°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
25 12am
25
25
18 3am
20
21
22 6am
25
26
26 9am
26
27
34 12pm
27
27
27 3pm
27
27
27 6pm
27
27
34 9pm
54
54
AD 728×90

Air Quality Index Trend

46h · 2 stn

Capitol Hill's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

65.1%
Humidity
51.9 km/h
Wind WNW
1004.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
18
4.3 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Capitol Hill?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.54.3 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
4.3
Median
4.3
Average
4.3
Low
4.3
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.7

What is the 7-day forecast for Capitol Hill?

06-09
31.5° 14.0°
0.25 mm
06-10
33.2° 23.7°
4.25 mm
06-11
25.5° 15.2°
06-12
28.7° 17.7°
2.12 mm
06-13
29.5° 22.1°
1.0 mm
06-14
25.3° 19.9°
3.13 mm
06-15
25.2° 14.6°
0.69 mm
Both models agree Avg diff: 6.0°C

Where are air quality stations near Capitol Hill?

49
Aurora Hills Visitor Center, Northern Virginia, USA
6.2 km PM2.5: 11.8 µg/m³
37
Lee District Park - Fairfax County, Northern Virginia, USA
15.7 km PM2.5: 8.9 µg/m³
14
NASA GSFC 1
18.0 km PM2.5: 3.4 µg/m³
21
HU-Beltsville, Maryland, USA
21.3 km PM2.5: 5.0 µg/m³

What cities are near Capitol Hill?

18 Capitol Riverfront 18 H Street NE 18 NoMa 18 Downtown DC 18 Southwest Waterfront 18 Northwest One 18 Mount Vernon Triangle 18 Shaw 18 Washington 18 Golden Triangle
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T07:08 UTC.